import csv
import json
import argparse

def convert_tsv_to_jsonl(input_tsv_path):
    # Generate the output file name by replacing .tsv with .jsonl
    output_jsonl_path = input_tsv_path.rsplit('.', 1)[0] + '.jsonl'

    # Open the input TSV file and the output JSON lines file
    with open(input_tsv_path, mode='r', encoding='utf-8') as tsv_file, \
         open(output_jsonl_path, mode='w', encoding='utf-8') as jsonl_file:

        # Create a CSV reader object to read the TSV file
        tsv_reader = csv.reader(tsv_file, delimiter='\t')
        
        # Iterate over each row in the TSV file
        for row in tsv_reader:
            # Each row should have exactly two columns: label and text
            if len(row) == 2:
                label, text = row
                # Create a dictionary to represent this record
                record = {'label': label, 'text': text}
                # Convert the dictionary to a JSON string and write to the JSON lines file
                jsonl_file.write(json.dumps(record) + '\n')
            else:
                print(f"Skipping malformed row: {row}")

def main():
    # Create argument parser
    parser = argparse.ArgumentParser(description="Convert TSV file to JSONL file.")
    # Add argument for input TSV file
    parser.add_argument("input_tsv_path", type=str, help="Path to the input TSV file.")
    
    # Parse arguments
    args = parser.parse_args()

    # Convert TSV to JSONL using the provided input path
    convert_tsv_to_jsonl(args.input_tsv_path)

if __name__ == "__main__":
    main()